{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Syndrome&page=4",
    "query": {
      "condition": "Pain Syndrome",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 954,
    "total_pages": 96,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Syndrome&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pain+Syndrome&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T00:01:04.543Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT04928157",
      "title": "Prospective Randomized Trial of CPAP for SDB in Patients Who Use Opioids",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sleep Disorder; Breathing-Related",
        "Pain",
        "Sleep Apnea",
        "Obstructive Sleep Apnea",
        "Sleep",
        "Sleep Disorder",
        "Chronic Pain",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Positive Airway Pressure (PAP)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2021-08-10",
      "completion_date": "2024-09-12",
      "has_results": false,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04928157"
    },
    {
      "nct_id": "NCT01767246",
      "title": "The Evaluation of a Novel Treatment Algorithm for Patients With Patellofemoral Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Patellofemoral Syndrome"
      ],
      "interventions": [
        {
          "name": "PFS Algorithm treatment",
          "type": "OTHER"
        },
        {
          "name": "Multimodal treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2013-01",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2015-07-07",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio • Westerville, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Westerville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01767246"
    },
    {
      "nct_id": "NCT05561270",
      "title": "Light Exposure on Pain in Hypermobile Ehlers-Danlos Syndrome",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ehlers-Danlos Syndrome",
        "Pain, Chronic"
      ],
      "interventions": [
        {
          "name": "White LED light",
          "type": "DEVICE"
        },
        {
          "name": "Green LED light",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "New York Institute of Technology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2022-11-21",
      "completion_date": "2025-11",
      "has_results": false,
      "last_update_posted_date": "2024-05-06",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 1,
      "location_summary": "Old Westbury, New York",
      "locations": [
        {
          "city": "Old Westbury",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05561270"
    },
    {
      "nct_id": "NCT03240081",
      "title": "Treating Postmenopausal Dyspareunia Where it Hurts",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Dyspareunia"
      ],
      "interventions": [
        {
          "name": "50mcg estradiol cream",
          "type": "DRUG"
        },
        {
          "name": "100mcg estradiol cream",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 70 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2017-06-20",
      "completion_date": "2019-11-21",
      "has_results": true,
      "last_update_posted_date": "2023-05-22",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03240081"
    },
    {
      "nct_id": "NCT05811377",
      "title": "Phenotyping Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) by Intravesical Contrast Enhanced - Magnetic Resonance Imaging (ICE-MRI) Bladder Permeability Assay",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "IC - Interstitial Cystitis"
      ],
      "interventions": [
        {
          "name": "Ferumoxytol",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Gadobutrol",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Christopher J Chermansky, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 7,
      "start_date": "2023-03-29",
      "completion_date": "2025-05-20",
      "has_results": true,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05811377"
    },
    {
      "nct_id": "NCT06570577",
      "title": "Opioid Sparing Effect of an ISP Nerve Block on Post-Op Pain Control in Posterior Cervical Spine Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Inter-semispinalis Plane Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Opioids",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 60,
      "start_date": "2025-02-21",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06570577"
    },
    {
      "nct_id": "NCT06481501",
      "title": "Mindfulness Intervention for Individuals With HIV and Chronic Pain",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "ONE Mindfulness-Oriented Recovery Enhancement",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Florida State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2024-06-24",
      "completion_date": "2027-07-25",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 1,
      "location_summary": "Tallahassee, Florida",
      "locations": [
        {
          "city": "Tallahassee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06481501"
    },
    {
      "nct_id": "NCT01084239",
      "title": "Multicenter Study to Rule Out Myocardial Infarction by Cardiac Computed Tomography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Coronary Syndrome",
        "Myocardial Infarction",
        "Unstable Angina Pectoris"
      ],
      "interventions": [
        {
          "name": "Cardiac Computed Tomography",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2010-04",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2014-05-07",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01084239"
    },
    {
      "nct_id": "NCT02753101",
      "title": "[18F]FTC-146 PET/MRI in Healthy Volunteers and in CRPS and Sciatica",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome",
        "Sciatica"
      ],
      "interventions": [
        {
          "name": "[18F]-FTC-146",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2016-02-09",
      "completion_date": "2017-02-16",
      "has_results": false,
      "last_update_posted_date": "2018-03-05",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02753101"
    },
    {
      "nct_id": "NCT03530345",
      "title": "Efficacy and Safety of Intravenous Neridronic Acid in CRPS",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Complex Regional Pain Syndrome (CRPS)"
      ],
      "interventions": [
        {
          "name": "Neridronic acid 100 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Grünenthal GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 182,
      "start_date": "2018-05-30",
      "completion_date": "2019-07-31",
      "has_results": true,
      "last_update_posted_date": "2020-08-06",
      "last_synced_at": "2026-10-22T00:01:04.543Z",
      "location_count": 39,
      "location_summary": "Huntsville, Alabama • Mobile, Alabama • Peoria, Arizona + 35 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Peoria",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03530345"
    }
  ]
}